At 72, Two of Her Banks May Become One, Pushing Her Deposits Over FDIC Limits. She Gets Time to Adjust

Imagine a retiree who is 72 and keeps about $240,000 at one bank and $200,000 at another so that each account stays within the FDIC insurance cap. Then a letter arrives: the two banks are merging.

What was carefully split between two institutions now adds up to $440,000 at a single bank. That situation is common for retirees with substantial cash holdings, and bank mergers are routine. The reassuring part is that she does not need to rush immediately because the FDIC provides a temporary protection period. The catch is that the deadline will come, and there is no guarantee anyone will flag it for her.

An earlier explanation covered how FDIC insurance works and how married couples can expand coverage at one bank. This article looks at what happens when two banks become one.

Why the $250,000 Limit Matters

FDIC insurance is the government backstop for deposits if a bank fails. The standard coverage limit is $250,000 per depositor, per bank, for each ownership category. Ownership category refers to how an account is titled, such as a single account, joint account, or trust. Because the FDIC insures each category separately, different categories can each receive their own protection.

In this retiree’s case, both accounts are in her name alone. Once the institutions combine, the total of $440,000 falls under one $250,000 limit, leaving roughly $190,000 uninsured.

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Is this risk real? Smaller banks have failed in recent years, and larger institutions can fail too. Silicon Valley Bank held more than $175 billion in deposits when it collapsed in 2023.

How the Six-Month Protection Window Works

When one insured bank takes over another bank’s deposits, FDIC rules keep those deposits separately insured for six months from the date the merger becomes effective. During that period, it is treated as though the customer still has accounts at two separate banks.

Certificates of deposit get special treatment. A CD from the acquired bank stays separately insured until its first maturity date after the six-month window ends.

If a CD matures during that period and is renewed for the same amount and the same term, separate coverage continues until the first maturity after the window closes. If it is renewed differently, or if it rolls into a regular deposit account, the separate coverage ends when the six months are over.

That means a long-term CD may remain protected beyond the deadline, while a savings account will not.

Four Steps to Take Before the Deadline

1. List every account by ownership category. Include checking, savings, money market accounts, and CDs at both banks. Group them by the way they are titled. Any amount above $250,000 in one category at the combined bank is the issue.

2. Use the FDIC’s calculator. The Electronic Deposit Insurance Estimator, or EDIE, shows what is covered and what is not, bank by bank. Enter the accounts as if the merger has already taken place.

3. Retitle the account or move the excess funds. Trust accounts, including payable-on-death accounts that name beneficiaries, are insured up to the standard limit multiplied by the number of beneficiaries, with a maximum of five. The cap is $1,250,000 per owner for all trust accounts at one bank. If two children are named on the savings account, that account alone could receive coverage up to $500,000.

4. Consider options outside the bank. Treasury bills are backed directly by the federal government, and 13-week bills recently yielded about 4%. By comparison, the national average 12-month CD pays under 2%. Brokerage insurance also works differently from FDIC coverage.

Adding payable-on-death beneficiaries can increase FDIC coverage, but it is worth checking first whether the setup matches the rest of the estate plan and whether other trust accounts already exist at the bank.

It is free to make the change, the funds remain where bills are already paid, and the arrangement often reflects what the account holder intended anyway. One important detail: beneficiaries must be specifically recorded in the bank’s deposit account records. Get written confirmation that the update was completed.

Moving the extra $190,000 to a separate bank is another solution, though it means more hassle: another login, another statement, and another tax form. If chasing yield is part of the plan, remember that interest can raise a retiree’s taxable income and affect how much Social Security income is taxable.

Why Doing Nothing Becomes the Expensive Choice

The biggest danger is inaction. The notice arrives, she sees that deposits are separately insured for now, feels relieved, and puts the letter away. Six months later, the protection expires quietly. Her statement may not look any different, so there is nothing obvious to trigger a response.

She may also continue adding new money or letting interest accumulate at the combined bank. Each additional dollar makes the over-limit amount larger once the grace period ends.

Mark This Date on Your Calendar

Find the merger’s effective date in the notice or on the bank’s website. Count forward six months and write that date down, then set another reminder about a month before it arrives. By then, every ownership category at the merged bank should be at or below $250,000 or protected through named beneficiaries.

Review each CD on its own. CDs from the acquired bank may remain separately insured until their first maturity date after the six-month period, depending on when they mature and whether they are renewed.

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